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Home > Guides > Shipping a package with stamps
Yes. Stamps are legal postage on a parcel in both the US and Canada, so a stamped box will travel just fine. The catch is tracking: stamps alone give you no tracking number, and you'll pay retail rates instead of the cheaper online postage. For a casual gift it works; for anything you sell, buy a proper label with tracking.
| Stamps | Printed label | |
|---|---|---|
| Valid postage? | Yes | Yes |
| Tracking | None, unless you pay for a tracked service at the counter | Included with most services |
| Price | Retail rates only | Online rates, usually cheaper |
| Insurance | Not included | Often included up to a base amount |
| Proof you shipped it | Only if a clerk scans it at the counter | The label purchase itself is your record |
Stamps shine in exactly one scenario: a casual, low-value parcel where tracking does not matter and you want to skip the printer. A birthday gift to a relative, a returned borrowed book, a small box of homemade treats for a friend: stick on enough stamps for the weight and destination, and it goes. Forever stamps work on parcels too, not just letters, which surprises people.
Everything else favors a label. The price difference is real: online postage for parcels is discounted against the retail counter rate, so a stamped box usually costs more than the same box shipped with a label you print at home. And the gap widens with weight, since you may need a small fortune in stamps to cover a heavy parcel, each one licked or peeled and placed.
Two reasons, and they both involve proof. First, marketplaces like eBay require a tracking number for seller protection: if a buyer claims the item never arrived and you have no tracking, you lose the dispute automatically. Stamps give you nothing to upload. Second, if the package goes missing, a printed label ties the shipment to a tracking record the carrier can investigate; a stamped box is anonymous once it leaves your hands.
There is also a practical wrinkle in the US: heavier stamped packages cannot just be dropped in a blue collection box. Security rules require them to be presented to a clerk at the counter, which wipes out the convenience you were after. If you are standing in line at the post office anyway, you might as well buy the label there.
You need the weight and the destination zone, which is exactly what the counter clerk or the carrier's online calculator will tell you. Guessing is risky in both directions: too little postage and the package comes back to you (or arrives with postage due, which is an awkward gift), too much and you have overpaid with no refund. This is the quiet argument for labels: the calculator does the math and the price is exact.
One more non-obvious detail: stamps must be affixed so they do not cover each other, and the total must be visible. A box plastered in overlapping stamps slows down the clerk and can cause the postage to be misread. If your parcel needs more than a few stamps' worth of postage, that is the universe telling you to buy a label.
Ready to ship it? Get a shipping label with LetterAgent: describe it to your AI assistant, approve the exact quoted price, and get your label.
LetterAgent is a working name. Prices include print, postage, and our service fee. US prices in USD, Canadian prices in CAD (Canadian prices exclude applicable sales tax, added at checkout). Currently in private testing.
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